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package com.zjdt.epserver.servlet.web.cargo;


import com.zjdt.epserver.db.service4mysql.CargoServiceImpl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author dusin
 */
@WebServlet(name = "CargoLoad", urlPatterns = {"/servlet/web/cargo/Load"})
public class Load extends HttpServlet {
    private CargoServiceImpl instance;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();   
        try {           
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            instance = (CargoServiceImpl) context.getBean("cargoService");
            String factoryCode = request.getParameter("factoryCode");
            String companyCode = request.getParameter("companyCode");
            String dateFrom = request.getParameter("dateFrom");
            String dateTo= request.getParameter("dateTo");            
            String key = request.getParameter("searchKey");
            int page;
            int rows;
            try{
                page = Integer.parseInt(request.getParameter("page"));
                rows = Integer.parseInt(request.getParameter("rows"));
            }catch(NumberFormatException nfe){
                page = 1;
                rows = 20;
            }            
            int total = instance.findCount(null,companyCode,factoryCode, dateFrom, dateTo, key);
            List<Map<String, Object>> cargos=instance.findAll(null,companyCode,factoryCode,dateFrom,dateTo,key,(page-1)*rows,rows);
            String result = JsonUtil.toDatagrid(cargos,total);
            out.println(result);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
